Time-lapse Seismic Crosswell Monitoring of CO 2 Injected In an Onshore Sandstone Aquifer

@inproceedings{Spetzler2006TimelapseSC,
  title={Time-lapse Seismic Crosswell Monitoring of CO 2 Injected In an Onshore Sandstone Aquifer},
  author={Jesper Spetzler and Ziqiu Xue and Hideki Saito and Dai Nobuoka and Hiroyuki Azuma and Osamu Nishizawa},
  year={2006}
}
  • Jesper Spetzler, Ziqiu Xue, +3 authors Osamu Nishizawa
  • Published 2006
  • Geology
  • We present a case study of time-lapse seismic monitoring of CO2 injection by time delay tomography. During 550 days, 10.400 tonnes of CO2 were injected into a porous reservoir sandstone at 1100 m depth. Crosswell data were acquired before and after the CO2 injection. The estimated tomographic velocity image shows a clear time-lapse velocity anomaly on the order of -10 % below the CO2 injection well head. 

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